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1
28
29 package example14;
30
31 import java.util.HashMap  ;
32 import java.util.Iterator ;
33 import java.util.Map ;
34
35 import org.jibx.runtime.IAliasable;
36 import org.jibx.runtime.IMarshallable;
37 import org.jibx.runtime.IMarshaller;
38 import org.jibx.runtime.IMarshallingContext;
39 import org.jibx.runtime.IUnmarshaller;
40 import org.jibx.runtime.IUnmarshallingContext;
41 import org.jibx.runtime.JiBXException;
42 import org.jibx.runtime.impl.MarshallingContext;
43 import org.jibx.runtime.impl.UnmarshallingContext;
44
45 public class HashMapper implements IMarshaller, IUnmarshaller, IAliasable
46 {
47 private static final String SIZE_ATTRIBUTE_NAME = "size";
48 private static final String ENTRY_ELEMENT_NAME = "entry";
49 private static final String KEY_ATTRIBUTE_NAME = "key";
50 private static final int DEFAULT_SIZE = 10;
51
52 private String m_uri;
53 private int m_index;
54 private String m_name;
55
56 public HashMapper() {
57 m_uri = null;
58 m_index = 0;
59 m_name = "hashmap";
60 }
61
62 public HashMapper(String uri, int index, String name) {
63 m_uri = uri;
64 m_index = index;
65 m_name = name;
66 }
67
68
71
72 public boolean isExtension(int index) {
73 return false;
74 }
75
76
80
81 public void marshal(Object obj, IMarshallingContext ictx)
82 throws JiBXException {
83
84 if (!(obj instanceof HashMap )) {
86 throw new JiBXException("Invalid object type for marshaller");
87 } else if (!(ictx instanceof MarshallingContext)) {
88 throw new JiBXException("Invalid object type for marshaller");
89 } else {
90
91 MarshallingContext ctx = (MarshallingContext)ictx;
93 HashMap map = (HashMap )obj;
94 ctx.startTagAttributes(m_index, m_name).
95 attribute(m_index, SIZE_ATTRIBUTE_NAME, map.size()).
96 closeStartContent();
97
98 Iterator iter = map.entrySet().iterator();
100 while (iter.hasNext()) {
101 Map.Entry entry = (Map.Entry )iter.next();
102 ctx.startTagAttributes(m_index, ENTRY_ELEMENT_NAME);
103 if (entry.getKey() != null) {
104 ctx.attribute(m_index, KEY_ATTRIBUTE_NAME,
105 entry.getKey().toString());
106 }
107 ctx.closeStartContent();
108 if (entry.getValue() instanceof IMarshallable) {
109 ((IMarshallable)entry.getValue()).marshal(ctx);
110 ctx.endTag(m_index, ENTRY_ELEMENT_NAME);
111 } else {
112 throw new JiBXException("Mapped value is not marshallable");
113 }
114 }
115
116 ctx.endTag(m_index, m_name);
118 }
119 }
120
121
124
125 public boolean isPresent(IUnmarshallingContext ctx) throws JiBXException {
126 return ctx.isAt(m_uri, m_name);
127 }
128
129
133
134 public Object unmarshal(Object obj, IUnmarshallingContext ictx)
135 throws JiBXException {
136
137 UnmarshallingContext ctx = (UnmarshallingContext)ictx;
139 if (!ctx.isAt(m_uri, m_name)) {
140 ctx.throwStartTagNameError(m_uri, m_name);
141 }
142
143 int size = ctx.attributeInt(m_uri, SIZE_ATTRIBUTE_NAME, DEFAULT_SIZE);
145 HashMap map = (HashMap )obj;
146 if (map == null) {
147 map = new HashMap (size);
148 }
149
150 ctx.parsePastStartTag(m_uri, m_name);
152 while (ctx.isAt(m_uri, ENTRY_ELEMENT_NAME)) {
153 Object key = ctx.attributeText(m_uri, KEY_ATTRIBUTE_NAME, null);
154 ctx.parsePastStartTag(m_uri, ENTRY_ELEMENT_NAME);
155 Object value = ctx.unmarshalElement();
156 map.put(key, value);
157 ctx.parsePastEndTag(m_uri, ENTRY_ELEMENT_NAME);
158 }
159 ctx.parsePastEndTag(m_uri, m_name);
160 return map;
161 }
162 } |
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